/* -*- C++ -*- */
/* Copyright (C) 2004 MySQL AB

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#ifndef _PARSE_FILE_H_
#define _PARSE_FILE_H_

#define PARSE_FILE_TIMESTAMPLENGTH 19

enum file_opt_type
{
  FILE_OPTIONS_STRING,    /* String (LEX_STRING) */
  FILE_OPTIONS_ESTRING,   /* Escaped string (LEX_STRING) */
  FILE_OPTIONS_ULONGLONG, /* ulonglong parameter (ulonglong) */
  FILE_OPTIONS_REV,       /* Revision version number (ulonglong) */
  FILE_OPTIONS_TIMESTAMP, /* timestamp (LEX_STRING have to be
                             allocated with length 20 (19+1) */
  FILE_OPTIONS_STRLIST,   /* list of escaped strings
                             (List<LEX_STRING>) */
  FILE_OPTIONS_ULLLIST    /* list of ulonglong values
                             (List<ulonglong>) */
};

struct File_option
{
  LEX_STRING name;    /* Name of the option */
  int offset;         /* offset to base address of value */
  file_opt_type type; /* Option type */
};

class File_parser;
File_parser *sql_parse_prepare(const LEX_STRING *file_name, MEM_ROOT *mem_root, bool bad_format_errors);

my_bool sql_create_definition_file(const LEX_STRING *dir, const LEX_STRING *file_name, const LEX_STRING *type,
                                   gptr base, File_option *parameters, uint versions);
my_bool rename_in_schema_file(const char *schema, const char *old_name, const char *new_name, ulonglong revision,
                              uint num_view_backups);

class File_parser : public Sql_alloc
{
  char *buff, *start, *end;
  LEX_STRING file_type;
  my_bool content_ok;

 public:
  File_parser() : buff(0), start(0), end(0), content_ok(0)
  {
    file_type.str = 0;
    file_type.length = 0;
  }

  my_bool ok() { return content_ok; }
  LEX_STRING *type() { return &file_type; }
  my_bool parse(gptr base, MEM_ROOT *mem_root, struct File_option *parameters, uint required);

  friend File_parser *sql_parse_prepare(const LEX_STRING *file_name, MEM_ROOT *mem_root, bool bad_format_errors);
};

#endif /* _PARSE_FILE_H_ */
